Livres associés

Tobacco soils of the United States: a preliminary report upon the soils of the principal tobacco districts.

Talks about the soil in its relation to plants and business. A book of observations and experiments for the use of schools, students, and farmers.

Synopsis of a course of lectures on the origin, composition, and functions of soils, and their bearing on agriculture. Delivered at the University of California, during the first term, 1874-5

Sulphur as a factor in soil fertility ...

• Farm crops, their cultivation and management a non-technical manual for the cultivation, management and improvement of farm crops
  Auteur(s): Gardner, Frank Duane

• The physical examination and training of children; a handbook, for school medical inspectors, physical directors, teachers, and parents.
  Auteur(s): Taylor, Charles Keen.
• Live stock and dairy farming a non-technical manual for the successful breeding, care and management of farm animals, the dairy herd, and the essentials of dairy production
  Auteur(s): Gardner, Frank D.
• A book on birds